APA (7th ed.) Citation

Dahl, R. A. (1970). A preface to democratic theory. University of Chicago Press.

Chicago Style (17th ed.) Citation

Dahl, Robert A. A Preface to Democratic Theory. Chicago [etc.]: University of Chicago Press, 1970.

MLA (9th ed.) Citation

Dahl, Robert A. A Preface to Democratic Theory. University of Chicago Press, 1970.